Mimomax TORNADO - Page 45

© MiMOMax Wireless Ltd
Tornado Product Manual
45
• Next use the GPIO input calibration process to calibrate the system through the external resistor. This process will
be based on a known voltage before the resistor.
GPIO Input Circuit
GPIO as digital output:
• The GPIO pins provide an open collector output, which can be used to drive a relay or generate a level. The
current can be up to 100 mA.
GPIO Output Circuit
Signal Name
Pin number
Colour on MiMOMax cable
Not Connected
1
n/a
Ext Ref n
2
Brown
Ext Ref p
3
Red
GPIO Ground (Radio Ground)
4
Orange
GPIO_4
5
Yellow
GPIO_3
6
Green
GPIO_2
7
Blue
GPIO_1
8
Violet
Open in Alarm
9
Grey
Alarm Comm
10
White
Closed in Alarm
11
Black
Not Connected
12
n/a
Table 4: GPIO pin out